Home / 55,554.23-76,664.49-31,680.39

Finding the Fourth Proportional to 55,554.23, 76,664.49 and 31,680.39

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Solution

The fourth proportional to 55,554.23, 76,664.49 and 31,680.39 is: 43,718.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,554.23 : 76,664.49 = 31,680.39 : x
  2. Step 2: Convert to fraction form
    55,554.23/76,664.49 = 31,680.39/x
  3. Step 3: Cross multiply
    55,554.23x = 76,664.49 × 31,680.39
  4. Step 4: Simplify right side
    55,554.23x = 2,428,760,942.35
  5. Step 5: Solve for x
    x = 2,428,760,942.35/55,554.23
  6. Step 6: Final answer
    x = 43,718.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.